body {
	margin: 0px;
}

div#container {
	width: 100%;
	height: 1950px;
	background: darkgray;
}

div#heading {
	width: 100%;
	height: 10%;
	background: red;
}

div#content_menu {
	width: 30%;
	height: 80%;
	background: green;
	float: left
}

div#content_body {
	width: 70%;
	height: 80%;
	background: yellow;
	float: left
}

div#footing {
	width: 100%;
	height: 10%;
	background: blue;
	clear: both;
}